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The resonant frequencies of a microstrip patch antenna are dependent on the dielectric constant of its substrate and the physical dimensions of its radiation patch. Both of these parameters are temperature-dependent. In this paper, we investigated the effects of temperature on the antenna resonant frequencies for the purpose of studying the microstrip patch antenna as a temperature sensor. First,...
This paper presents a low-power wireless strain sensor that can be remotely powered by a light source and can be dynamically interrogated with a low-cost wireless interrogator. Based on a conventional thin-film strain gauge, the wireless sensor is capable of measuring both static and vibration deformations. The low-power wireless operation was achieved via amplitude modulation of the antenna backscattering...
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